About This

Rustproof Aluminum Shutter Exhaust Fan: 24 inch corrosion-resistant aluminum blades automatically open and close with fan operation, blocking pests, dust, and debris. Built to withstand moisture and high-temperature environments.
Thermally Protected Enclosed Motor: Fully sealed motor with overheating protection ensures reliable performance. Designed for continuous operation in demanding industrial or agricultural settings.
Heavy-Duty Ventilation for Diverse Spaces: 4200 CFM airflow efficiently removes heat, fumes, and humidity from attics, workshops, factories, barns, and greenhouses. Ideal for residential, commercial, and agricultural use with 8.8 m/s wind speed.
Speed Controller Included: The exhaust fan included variable speed controller allows 60%-100% speed adjustment. Simply connect the fan's pre-wired cord to the controller. Optimize ventilation with a turn of the knob.
Simplified Installation with Pre-Wired Kit: Includes 1.65m power cord, 3ft strain relief clamp, and clear step-by-step instructions. Universal design streamlines setup for DIY or professional installers.
Industrial-Grade & Custom Sizing: 120V/60Hz, 18"/24" Options. Designed for factory, barn, and commercial cooling where standard fans fall short.